ASTM B792-12
Historical Standard: ASTM B792-12 Standard Specification for Zinc Alloys in Ingot Form for Slush Casting
SUPERSEDED (see Active link, below)
ASTM B792
1. Scope
1.1 This specification covers commercial zinc alloys in ingot form for remelting for the manufacture of castings from the alloys as specified and designated as shown in Table 1.
1.2 Slush casting alloys are used primarily for the manufacture of hollow castings such as lighting fixtures, lamp bases, and small statues.
1.3 This specification covers two zinc alloys which are specified and designated as follows:
| UNS | ASTM |
| Z34510 | Slush Casting Alloy A |
| Z30500 | Slush Casting Alloy B |
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.
TABLE 1 Chemical and North American Color Code Requirements A , B
| Composition, % | ||
|---|---|---|
|
UNS Z34510 Slush Casting Alloy A |
UNS Z30500 Slush Casting Alloy B |
|
| Color Code C | Black/Red | Black/Orange |
| Element | ||
| Copper | 0.2 0.3 | 0.1 max |
| Aluminum | 4.50 5.00 | 5.25 5.75 |
| Lead | 0.007 max | 0.007 max |
| Cadmium | 0.005 max | 0.005 max |
| Tin | 0.005 max | 0.005 max |
| Iron | 0.100 max | 0.100 max |
| Magnesium | 0.010 max | 0.010 max |
| Zinc | Remainder | Remainder |
A The following applies to all specified limits in this table. For purposes of determining conformance with this specification, the observed or calculated value obtained from analysis shall be rounded off to the nearest unit in the last right-hand place of figures used in expressing the specified limit, in accordance with the rounding method of Practice E29 .
B UNS designations were established in accordance with Practice E527 .
C Refer to Practice B908 . (Note: Colors indicated are for North American applications.)
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ISO Standards
ISO 3815-1 Zinc and zinc alloys -- Part 1: Analysis of solid samples by optical emission spectrometry ISO 3815-2 Zinc and zinc alloys -- Part 2: Analysis by inductively coupled plasma optical emission spectrometryASTM Standards
B899 Terminology Relating to Non-ferrous Metals and Alloys
B908 Practice for the Use of Color Codes for Zinc Casting Alloy Ingot
B949 Specification for General Requirements for Zinc and Zinc Alloy Products
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E88 Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E536 Test Methods for Chemical Analysis of Zinc and Zinc Alloys
Keywords
casting; casting alloys; gravity casting; permanent mold casting; slush casting; zinc; zinc alloys;
ICS Code
ICS Number Code 77.150.60 (Lead, zinc and tin products)
DOI: 10.1520/B0792-12
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